CN203552583U - A crank and rocker mechanism demonstration teaching aid used in teaching - Google Patents
A crank and rocker mechanism demonstration teaching aid used in teaching Download PDFInfo
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- CN203552583U CN203552583U CN201320660440.0U CN201320660440U CN203552583U CN 203552583 U CN203552583 U CN 203552583U CN 201320660440 U CN201320660440 U CN 201320660440U CN 203552583 U CN203552583 U CN 203552583U
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- connecting rod
- hull
- gear
- rocking arm
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Abstract
The utility model discloses a crank and rocker mechanism demonstration teaching aid used in teaching. The teaching aid comprises a bottom plate, gear transmission supports, supports, a hull, a gear transmission device, and a rocker mechanism, wherein first bearing pedestals are fixedly mounted at the top of each support; the two sides of the hull are connected with the two ends of a horizontal shaft through connecting pieces; the two ends of the horizontal shaft are fixed on the first bearing pedestals at the tops of the two trapezoid supports respectively in a relatively rotated manner; the gear transmission device is fixed at one end of each gear transmission support through second bearing pedestals; one end of the rocker mechanism is fixed on the gear transmission device in a relatively rotated manner, so that the rocker mechanism may perform reciprocating motion with the gear transmission device in a vertical plane; the other end of the rocker mechanism is fixed at one end of horizontal shaft so as to drive the hull to perform front and back swing motion. The crank and rocker mechanism demonstration teaching aid is simple in structure, an element simulating a pirate ship in an amusement park is added in the teaching aid, so that entertaining interest is brought to students. Therefore, learning interest is stimulated.
Description
Technical field
The utility model relates to a kind of teaching appliance, is specifically related to crank rocker transmission demonstration teaching aid, is a kind of utensil of mechanical speciality teaching.
Background technology
While conventionally telling about crank rocker transmission principle in mechanical major, teacher adopts oral account or model to student explain.Student is difficult to imagine the various uses of crank and rocker mechanism and the typical structure feature of its extensional when study.Telling about of teacher makes student's sensory learning uninteresting, barren, is difficult to mention learning interest.
Summary of the invention
The utility model object is for existing teaching pattern, provide one with the crank and rocker mechanism demonstration teaching aid of amusement interest, can allow student get information about the effect of principle of work, purposes and the extensional of crank and rocker mechanism, and therefrom understand the design feature of crank and rocker mechanism.
The utility model for achieving the above object, adopt following technical scheme: a kind of crank and rocker mechanism demonstration teaching aid for imparting knowledge to students, comprise base plate, be installed on gear drive mount and two ladder-shaped supports, hull, cogwheel gearing and endplay devices on base plate, the top of described two ladder-shaped supports respectively fixedly mounts clutch shaft bearing seat, the both sides of described hull are connected with the two ends of a transverse axis by web member respectively, and the two ends of described transverse axis are fixed on respectively on the clutch shaft bearing seat on two ladder-shaped support tops rotatably; Described cogwheel gearing is fixed on one end of gear drive mount by the second bearing seat; The relatively turnable loading drive gear that is fixed in one end of described endplay device is set up, thereby follow cogwheel gearing, does front-rear reciprocation movement in perpendicular; The other end of endplay device is fixed on one end of transverse axis, thereby drives hull to do the oscillating motion of front and back.
As further prioritization scheme of the present utility model, described cogwheel gearing comprises the first gear and the second gear, the second bearing seat of described fixed gear gearing comprises the 3rd bearing seat and the 4th bearing seat, the gear shaft of the gear shaft of the first gear and the second gear is individually fixed on the 3rd bearing seat and the 4th bearing seat, and described the first gear shaft is also installed handwheel by key connected mode; Described the second gear and the first gear are intermeshing.
As further prioritization scheme of the present utility model, described endplay device comprises, first connecting rod, L shaped rocking arm, hull connecting rod, hull connecting rod and hull rocking arm, described L shaped rocking arm comprises into the first rocking arm and second rocking arm of L shaped connection, the link of the first rocking arm and the second rocking arm is fixed on ladder-shaped support by an axle, one end of described first connecting rod is by the relatively turnable sidewall that is fixed on the second gear of crank stylus pin, the other end of described first connecting rod is connected with the first rocking arm by the connecting rod head of first connecting rod, described the second rocking arm is connected with hull connecting rod by the connecting rod head of hull connecting rod, the connecting rod head of described hull connecting rod is connected with one end of hull rocking arm, the other end of hull rocking arm is fixed on transverse axis with key connected mode by the 5th bearing seat.
As further prioritization scheme of the present utility model, between the connecting rod head of described hull connecting rod and hull connecting rod, adopt engage thread to be connected, and can pass through threaded adjusting length; The connecting rod head of the connecting rod head of described first connecting rod and hull connecting rod adopts engage thread to be connected with first connecting rod and hull connecting rod respectively, and can pass through threaded adjusting length.
The beneficial effects of the utility model: the crank and rocker mechanism demonstration teaching aid described in the utility model is simple in structure, the element that adds the sea rover of simulating recreation ground in the teaching aid of the course of work of demonstrating crank and rocker mechanism and double rocker mechanism, to student, bring amusement entertaining, cause thus learning interest.
Accompanying drawing explanation
Fig. 1 is a kind of axonometric drawing of facing for the crank and rocker mechanism demonstration teaching aid of imparting knowledge to students of the utility model;
Fig. 2 is that a kind of rear optical axis for the crank and rocker mechanism demonstration teaching aid of imparting knowledge to students of the utility model is surveyed 02 figure.
In figure, 1-the second bearing seat (4), 2-the first gear shaft, 3-the first gear, 4-the second gear shaft, 5-the second gear, 6-hull, 7-hull rocking arm 8-clutch shaft bearing seat, 9-support (2), 10-base plate, 11-hull connecting rod, 12-hull connecting rod head (2), 13-L shape rocking shaft bearing (2), 14-L shape rocking arm, 15-first connecting rod head (2), 16-first connecting rod, 17-gear drive mount (2), 18-handwheel, 19-crank stylus pin.
Embodiment
As shown in Figure 1 and Figure 2, the utility model provides a kind of crank and rocker mechanism demonstration teaching aid for imparting knowledge to students, comprise base plate, be installed on gear drive mount and two ladder-shaped supports, hull, cogwheel gearing and endplay devices on base plate, the top of described two ladder-shaped supports respectively fixedly mounts clutch shaft bearing seat, the both sides of described hull are connected with the two ends of a transverse axis by web member respectively, and the two ends of described transverse axis are fixed on respectively on the clutch shaft bearing seat on two ladder-shaped support tops rotatably; Described hull 6 is fixed on support 9 tops by clutch shaft bearing seat 8.Described cogwheel gearing is fixed on one end of gear drive mount by the second bearing seat; The relatively turnable loading drive gear that is fixed in one end of described endplay device is set up, thereby follow cogwheel gearing, does front-rear reciprocation movement in perpendicular; The other end of endplay device is fixed on one end of transverse axis, thereby drives hull to do the oscillating motion of front and back.Described cogwheel gearing comprises the first gear and the second gear, the second bearing seat of described fixed gear gearing comprises the 3rd bearing seat and the 4th bearing seat, the first gear shaft of the first gear and the second gear shaft of the second gear are individually fixed on the 3rd bearing seat and the 4th bearing seat, and described the second gear shaft 4 is fixed on one end of gear drive mount (2) 17 by the 4th bearing seat (2) 1.Described the first gear shaft 2 is fixed on the other end of gear drive mount (2) 17 by the 3rd bearing seat (2) 1.Described the second gear 5 is fixed on one end of the second gear shaft 4 by key connected mode, described the first gear 3 is fixed on one end of the first gear shaft 2 by key connected mode, and described the first gear shaft is also installed handwheel by key connected mode; Described the second gear and the first gear are intermeshing.Described endplay device comprises, first connecting rod, L shaped rocking arm, hull connecting rod and hull rocking arm, described L shaped rocking arm comprises into the first rocking arm and second rocking arm of L shaped connection, the link of the first rocking arm and the second rocking arm is fixed on ladder-shaped support by an axle, and described L shaped rocking arm 14 is fixed on support by L shaped rocking shaft bearing 13.One end of described first connecting rod is by the relatively turnable sidewall that is fixed on the second gear of crank stylus pin, the other end of described first connecting rod is connected with the first rocking arm by the connecting rod head of first connecting rod, described the second rocking arm is connected with hull connecting rod by the connecting rod head of hull connecting rod, the connecting rod head of described hull connecting rod is connected with one end of hull rocking arm, and the other end of hull rocking arm is fixed on transverse axis with key connected mode by the 5th bearing seat.Between the connecting rod head of described hull connecting rod and hull connecting rod, adopt engage thread to be connected, and can pass through threaded adjusting length; The connecting rod head of the connecting rod head of described first connecting rod and hull connecting rod adopts engage thread to be connected with first connecting rod and hull connecting rod respectively, and can pass through threaded adjusting length.
Rotate described handwheel 18 and drive the first gear 3 to rotate, and drive the second gear 5 rotations.After described the second gear 5 rotations, by first connecting rod head 15 and first connecting rod 16, drive L shaped rocking arm 14 to swing, rotatablely moving of the second gear changed into the oscillating motion of L shaped rocking arm 14.Described L shaped rocking arm 14 drives hull rocking arm 7 to swing by hull connecting rod 11 and hull connecting rod head (2) 12, allows thus hull do oscillating motion.
Described cogwheel gearing comprises the first gear and the second gear.Described the second gear, crank stylus pin, first connecting rod head (2), first connecting rod and L shaped rocking arm form crank and rocker mechanism.Described L shaped rocking arm, hull connecting rod, hull connecting rod head (2), hull rocking arm form double rocker mechanism.Described hull is driven the state of simulation recreation ground sea rover game machine by cogwheel gearing, crank and rocker mechanism, double rocker mechanism.
In practice process, allow student drive the first gear and the second gear to rotate by rotation hand wheel, and drive L shaped rocking arm to swing, by hull connecting rod, drive hull rocking arm 7 to swing by first connecting rod, finally drive hull vibration.It is how will rotatablely move to convert oscillating motion to that student can therefrom observe crank and rocker mechanism.Understand the operating characteristic of crank and rocker mechanism and double rocker mechanism.Student can associate the sea rover recreation ground from the swing of hull, obtains thus enjoyment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the crank and rocker mechanism demonstration teaching aid for imparting knowledge to students, it is characterized in that: comprise base plate, be installed on gear drive mount and two ladder-shaped supports, hull, cogwheel gearing and endplay devices on base plate, the top of described two ladder-shaped supports respectively fixedly mounts clutch shaft bearing seat, the both sides of described hull are connected with the two ends of a transverse axis by web member respectively, and the two ends of described transverse axis are fixed on respectively on the clutch shaft bearing seat on two ladder-shaped support tops rotatably; Described cogwheel gearing is fixed on one end of gear drive mount by the second bearing seat; The relatively turnable loading drive gear that is fixed in one end of described endplay device is set up, thereby follow cogwheel gearing, does front-rear reciprocation movement in perpendicular; The other end of endplay device is fixed on one end of transverse axis, thereby drives hull to do the oscillating motion of front and back.
2. a kind of crank and rocker mechanism demonstration teaching aid for imparting knowledge to students according to claim 1, it is characterized in that, described cogwheel gearing comprises the first gear and the second gear, the second bearing seat of described fixed gear gearing comprises the 3rd bearing seat and the 4th bearing seat, the first gear shaft of the first gear and the second gear shaft of the second gear are individually fixed on the 3rd bearing seat and the 4th bearing seat, and described the first gear shaft is also installed handwheel by key connected mode; Described the second gear and the first gear are intermeshing.
3. a kind of crank and rocker mechanism demonstration teaching aid for imparting knowledge to students according to claim 1 and 2, it is characterized in that, described endplay device comprises, first connecting rod, L shaped rocking arm, hull connecting rod and hull rocking arm, described L shaped rocking arm comprises into the first rocking arm and second rocking arm of L shaped connection, the link of the first rocking arm and the second rocking arm is fixed on ladder-shaped support by an axle, one end of described first connecting rod is by the relatively turnable sidewall that is fixed on the second gear of crank stylus pin, the other end of described first connecting rod is connected with the first rocking arm by the connecting rod head of first connecting rod, described the second rocking arm is connected with hull connecting rod by the connecting rod head of hull connecting rod, the connecting rod head of described hull connecting rod is connected with one end of hull rocking arm, the other end of hull rocking arm is fixed on transverse axis with key connected mode by the 5th bearing seat.
4. a kind of crank and rocker mechanism demonstration teaching aid for imparting knowledge to students according to claim 3, is characterized in that, adopts engage thread to be connected, and can pass through threaded adjusting length between the connecting rod head of described hull connecting rod and hull connecting rod; The connecting rod head of the connecting rod head of described first connecting rod and hull connecting rod adopts engage thread to be connected with first connecting rod and hull connecting rod respectively, and can pass through threaded adjusting length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320660440.0U CN203552583U (en) | 2013-10-25 | 2013-10-25 | A crank and rocker mechanism demonstration teaching aid used in teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320660440.0U CN203552583U (en) | 2013-10-25 | 2013-10-25 | A crank and rocker mechanism demonstration teaching aid used in teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203552583U true CN203552583U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320660440.0U Withdrawn - After Issue CN203552583U (en) | 2013-10-25 | 2013-10-25 | A crank and rocker mechanism demonstration teaching aid used in teaching |
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| CN (1) | CN203552583U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514796A (en) * | 2013-10-25 | 2014-01-15 | 无锡商业职业技术学院 | Crank and rocker mechanism demonstration teaching aid |
| CN104008693A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Four-bar mechanism teaching aid |
| CN104157204A (en) * | 2014-08-21 | 2014-11-19 | 厦门大学 | Multifunctional mechanical principle display teaching aid |
| CN111606232A (en) * | 2020-05-29 | 2020-09-01 | 上海海事大学 | Heavy object lifting system based on gear crank rocker |
-
2013
- 2013-10-25 CN CN201320660440.0U patent/CN203552583U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103514796A (en) * | 2013-10-25 | 2014-01-15 | 无锡商业职业技术学院 | Crank and rocker mechanism demonstration teaching aid |
| CN104008693A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Four-bar mechanism teaching aid |
| CN104008693B (en) * | 2014-04-22 | 2016-09-28 | 江汉大学 | A kind of quadric chain teaching aid |
| CN104157204A (en) * | 2014-08-21 | 2014-11-19 | 厦门大学 | Multifunctional mechanical principle display teaching aid |
| CN104157204B (en) * | 2014-08-21 | 2016-03-02 | 厦门大学 | A kind of multi-functional mechanical principle shows teaching aid |
| CN111606232A (en) * | 2020-05-29 | 2020-09-01 | 上海海事大学 | Heavy object lifting system based on gear crank rocker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20151007 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |